Heterozygosity, adaptability, and phenotypic stability of sweet sorghum genotypes

被引：0
|
作者：
Lombardi, Gabrielle M. R. [1 ]
Ornelas, Daniela O. [1 ]
Duraes, Nayara N. L. [2 ]
Parrella, Rafael A. da C. [3 ]
Nunes, Jose A. R. [1 ]
机构：
[1] Univ Fed Lavras, Inst Nat Sci, Dept Biol, Lavras, MG, Brazil
[2] Inst Fed Parana, Ivaipora, PR, Brazil
[3] Embrapa Milho & Sorgo, Sete Lagoas, MG, Brazil
来源：
REVISTA CAATINGA | 2024年 / 37卷
关键词：
Sorghum bicolor (L.); Bioethanol; Homeostasis; Ecovalence; Reliability index; BIOENERGY CROP; HETEROSIS;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Sweet sorghum (Sorghum bicolor L.) is a promising energy crop for bioethanol production. This study aimed to investigate the influence of genetic structure on the adaptability and phenotypic stability of sweet sorghum lines and hybrids regarding the main agro-industrial traits, as well as selecting hybrids that associate high ethanol yield and yield stability in different growing environments. A total of 45 genotypes were evaluated in experiments conducted in a 5x9 triple alpha lattice design in three locations in the state of Minas Gerais, Brazil. The following traits were measured: fresh matter production, juice extraction percentage, total soluble solids content, tons of Brix per hectare, and ethanol production. Adaptability and phenotypic stability were assessed by the Wricke and Annicchiarico methods. Sweet sorghum adaptability and phenotypic stability depend on genotype genetic structure, with hybrids being more stable than parental lines. Additionally, H-2x9 and H-3x8 were the most promising hybrids.
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页数：7
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